package Method_value_passing_package;

public class Method_value_passing_demo1 {
    public static void main(String[] args) {
        int number = 100;
        System.out.println("调用change方法前：" + number);//100
        change(number);
        System.out.println("调用change方法后：" + number);//100

    }

    public static void change(int number) {
        number = 200;
    }
}
